All land development activities shall be subject to the following
performance and design criteria:
A. Technical standards.
(1)
For the purpose of this Part 3, the following documents shall
serve as the official guides and specifications for stormwater management.
Stormwater management practices that are designed and constructed
in accordance with these technical documents shall be presumed to
meet the standards imposed by this Part 3:
(a)
The New York State Stormwater Management Design Manual (New
York State Department of Environmental Conservation, most current
version or its successor, hereafter referred to as the "Design Manual").
(b)
New York Standards and Specifications for Erosion and Sediment
Control, (Empire State Chapter of the Soil and Water Conservation
Society, 2004, most current version or its successor, hereafter referred
to as the "Erosion Control Manual").
(2)
The New York State technical guidance documents may be ordered
from the Department. An order form as well as downloadable versions
of the manuals are available on the internet at: http://www.dec.state.ny.us/website/dow/toolbox/escstandards/index.html;
http://www.dec.state.ny.us/website/dow/toolbox/swmanual/.
B. Equivalence to technical standards. Where stormwater management practices are not in accordance with technical standards, the applicant or developer must demonstrate equivalence to the technical standards set forth in Subsection
A and the SWPPP shall be prepared by a licensed professional.
C. Water quality standards. No land development activity shall cause
an increase in turbidity that will result in substantial visible contrast
to natural conditions in surface waters of the State of New York.